CN204207743U - A kind of flexible wireless biopotential electrode system - Google Patents

Abstract

The utility model relates to a flexible wireless bioelectric electrode system, which includes a flexible electrode, and is characterized in that: the flexible electrode includes a conductive layer, a flexible layer, a viscous layer and a conductive piece, and the viscous layer is arranged between the conductive layer and the flexible layer In between, the conductive member is electrically connected to the conductive layer through the flexible layer and the viscous layer, the conductive layer is formed by laying several conductive yarns, and the conductive yarns are pasted on the viscous layer; It includes a signal collecting and emitting device and a signal receiving device capable of receiving the signal sent by the device. The signal collecting and emitting device is arranged on the flexible layer of the flexible electrode and connected with the conductive member. The utility model avoids the abrasion and damage of the metal electroplating layer on the surface of the conductive yarn during the textile shuttle process, ensures that the electrode has good performance; avoids the use of lead wires in the prior art, and effectively reduces the interference and attenuation of the signal , increasing the wearability of flexible electrodes.

Description

A flexible wireless bioelectric electrode system

technical field

The utility model relates to the technical field of wireless bioelectric electrodes, in particular to a wearable flexible wireless bioelectric electrode system.

Background technique

Cardiovascular and cerebrovascular diseases have become the primary threat to human health in recent years. One of the effective countermeasures is long-term monitoring of the cardiovascular and cerebrovascular system and timely warning. The best way for load and long-term continuous dynamic monitoring.

At present, most flexible bioelectrodes use lead wires to connect electrodes, data analysis and display devices for data transmission. It causes stretching, which causes the pressure change between the electrode and the skin, the relative slip between the electrode and the skin, and causes a certain amount of bioelectrical signal noise; at the same time, the use of lead wires will cause the bioelectrical signal to reach the data processing system. Signal attenuation or signal interference during the process, thereby reducing the fidelity of the signal and reducing the accuracy of detection.

In the prior art, traditional textile structures are usually used to design flexible ECG electrodes, such as weaving, knitting, non-woven fabrics, embroidery and other processes. Using the above traditional processes, it is easy to cause a conductive coating on the surface of the yarn during the textile forming process. The damage of the electrode will affect the performance of the electrode; at the same time, the circuit formed by the traditional textile structure will easily lead to a large impedance between the electrode and the skin during the monitoring process of the electrode, and the electrode structure will be unstable, resulting in noise, etc., making the electrode of the traditional textile structure There are big disadvantages.

Therefore, further improvements are needed for the current flexible wireless bioelectric electrode system.

Utility model content

The technical problem to be solved by the utility model is to provide a flexible wireless bioelectric electrode system that can improve wearability and effectively reduce signal interference and attenuation in view of the current state of the prior art.

The technical solution adopted by the utility model to solve the above technical problems is: a flexible wireless bioelectric electrode system, including a flexible electrode, characterized in that: the flexible electrode includes a conductive layer, a flexible layer, a viscous layer and a conductive member, the The viscous layer is disposed between the conductive layer and the flexible layer, and the conductive member is electrically connected to the conductive layer through the flexible layer and the viscous layer. The conductive layer is formed by laying several conductive yarns, and the conductive yarns It is pasted on the adhesive layer; it also includes a signal collection and emission device and a signal receiving device capable of receiving the signal sent by the device, and the signal collection and emission device is arranged on the flexible layer of the flexible electrode and connected with the conductive element .

As a further improvement of the present utility model, the conductive member includes a conductive buckle and a conductive post that are matched and connected to each other, the conductive buckle is fastened and connected to the conductive layer, and the upper end surface of the conductive buckle has a card slot. The lower end of the conductive post is plugged into the slot of the conductive buckle, the upper end of the conductive post is exposed on the surface of the flexible layer, and the lower surface of the signal collecting and emitting device is provided with a mounting groove for inserting the upper end of the conductive post. The above-mentioned signal collection and emission device is connected to the flexible electrode in a convenient disassembly manner, and the signal collection and emission device can be removed for washing at any time as required, which is convenient to use.

Furthermore, a solar energy collection device is arranged on the flexible layer of the flexible electrode, and correspondingly, the signal collection and emission device has a storage battery connected to the solar energy collection device. It is bad for the health of the patient to live indoors without seeing sunlight for a long time. With the above-mentioned structure, the electrode system can be used outdoors, and the solar collector can provide part of the power for the electrode system to achieve the effect of environmental protection.

Preferably, the outer surfaces of the solar energy collecting device and the signal collecting and transmitting device are covered with a transparent cover, and a plurality of ventilation holes are arranged at intervals on the transparent cover. On the one hand, the above-mentioned transparent cover can protect the solar energy collecting device and the signal collecting and transmitting device; Impedance effect; at the same time, the setting of air holes ensures the comfort of human skin.

As a further improvement, the conductive layer includes a first conductive layer and a second conductive layer which are respectively arranged in parallel with several conductive yarns at intervals, and the first conductive layer and the second conductive layer are pasted on the adhesive layer, and the misalignment angle between the first conductive layer and the second conductive layer is A, 0°<A<180°. With the above-mentioned structure, the first conductive layer and the second conductive layer formed by several conductive yarns are pasted on the viscous layer, instead of making the conductive yarn through multiple shuttle weaving, which avoids the conductive yarn being damaged during the weaving shuttle process. Wear and damage of the metal plating layer on the surface of the wire to ensure good performance after the electrode is made; the first conductive layer and the second conductive layer are interlaced to form a conductive layer to make the structure of the conductive layer stronger The conductive yarn forms a "parallel" conductive circuit, which can effectively reduce the impedance between the electrode and the skin.

Compared with the prior art, because the utility model introduces the viscous layer in the flexible electrocardiogram electrode, and sticks the conductive layer and the flexible layer on the two surfaces of the viscous layer respectively, and sets the penetrating viscous layer and the flexible layer at the same time. The conductive parts connected by the conductive layer, compared with the existing textile flexible ECG electrodes, the utility model avoids the abrasion and damage of the metal plating layer on the surface of the conductive yarn during the textile shuttle process, and ensures that the electrodes have good performance; at the same time , the setting of the flexible layer improves the tactile comfort of the electrode; in addition, by setting the signal collecting and transmitting device and the signal receiving device capable of receiving the signal sent by the device, the use of lead wires in the prior art is avoided, effectively reducing the The interference and attenuation of the signal increase the wearability of the flexible electrode.

Description of drawings

Fig. 1 is the bottom view of the utility model embodiment;

Fig. 2 is the top view of the utility model embodiment;

Fig. 3 is a sectional view along the A-A direction in Fig. 1;

Fig. 4 is a structural schematic diagram when the conductive layer is one layer in the embodiment of the utility model;

FIG. 5 is a schematic structural view of the embodiment of the present invention when the conductive layer is two layers.

Detailed ways

The utility model is described in further detail below in conjunction with the accompanying drawings.

As shown in Figures 1 to 5, the flexible wireless bioelectric electrode system of this embodiment includes a flexible electrode 1, a signal collecting and transmitting device 2, a signal receiving device (not shown in the figure) and a solar energy collecting device 3. The flexible electrode 1 includes a conductive layer 11, a flexible layer 12, a viscous layer 13 and a conductive member. The viscous layer 13 is arranged between the conductive layer 11 and the flexible layer 12, and the conductive member passes through the flexible layer 12 and the viscous layer 13 to connect with the conductive layer 11. Electrical connection, specifically, the conductive member includes a conductive buckle 141 and a conductive column 142 that are matched and connected to each other. The lower end of the column 142 is plugged into the slot of the conductive button 141, the upper end of the conductive column 142 exposes the surface of the flexible layer 12, the signal collecting and transmitting device 2 is arranged on the flexible layer 12 of the flexible electrode 1, and the signal collecting and transmitting device 2 The lower surface of 2 is provided with a mounting groove for inserting the end of the conductive column 142 . The connection between the signal collecting and transmitting device 2 and the flexible electrode 1 is easy to disassemble, and the signal collecting and transmitting device 2 can be removed for washing at any time as required, which is convenient to use. The solar energy collection device 3 is arranged on the flexible layer 12 of the flexible electrode 1. The signal collection and emission device 2 has a storage battery connected to the solar energy collection device 3. The patient lives indoors without seeing sunlight for a long time, which is not good for health. It can be used outdoors, and part of the power supply can be provided for the electrode system with the help of the solar energy collection device 3, so as to achieve the effect of environmental protection. The signal receiving device can receive the signal sent by the collecting and transmitting device 2. Using the electrode system of this embodiment does not require the use of lead wires, which effectively reduces signal interference and attenuation, and increases the wearability of the flexible electrode.

In this embodiment, the outer surfaces of the solar energy collecting device 3 and the signal collecting and transmitting device 2 are covered with a transparent cover 4 , and a plurality of ventilation holes 41 are arranged at intervals on the transparent cover 4 . On the one hand, the transparent cover 4 can protect the solar energy collecting device 3 and the signal collecting and transmitting device 2; The impedance effect between; at the same time, the setting of the vent holes ensures the comfort of the human skin.

In this embodiment, the flexible layer 12 of the flexible electrode 1 can be made of polymer rubber, silica gel, textile fabrics and composite coating materials thereof. During manufacture, the flexible layer 12 is first bonded to the adhesive layer 13, and then The conductive yarn 100 is pasted on the other side of the adhesive layer 13 to form the conductive layer 11 . As shown in Figure 4, the conductive layer 11 can be formed by laying one layer of conductive yarn 100; As shown in Figure 5, the conductive layer 11 can also be formed by laying two layers of conductive yarn 100. The first conductive layer 111 and the second conductive layer 112 are respectively formed by a plurality of conductive yarns 100 arranged in parallel at intervals. The misalignment angle between the first conductive layer 111 and the second conductive layer 112 is A, 0°<A<180°. At this time, the structure of the conductive layer 11 is stronger, and because the interlaced conductive yarns 100 form a "parallel connection" The conductive circuit can effectively reduce the impedance between the electrode and the skin. With the above-mentioned structure, the first conductive layer 111 and the second conductive layer 112 formed by several conductive yarns 100 are pasted on the adhesive layer 13, instead of making the conductive yarn 100 through multiple shuttle weaving, avoiding the textile shuttle. During the process, the metal electroplating layer on the surface of the conductive yarn 100 is worn and damaged, so as to ensure that the electrode has good performance after being manufactured.

The conductive parts in this embodiment can be, but not limited to, mechanical, magnetic, chemical and other connection buckles; The cover; the signal collection and transmitting device 2 can be but not limited to adopt wireless transmission modes such as Bluetooth, GPRS, WIFI; the signal receiving device can be but not limited to use a mobile phone, a tablet computer, a mobile receiving device, a fixed receiving device, etc.

Claims (5)

1. A flexible wireless bioelectric electrode system, comprising a flexible electrode, characterized in that: the flexible electrode includes a conductive layer, a flexible layer, a viscous layer and a conductive member, and the viscous layer is arranged between the conductive layer and the flexible layer, The conductive member is electrically connected to the conductive layer through the flexible layer and the viscous layer, and the conductive layer is formed by laying several conductive yarns, and the conductive yarn is pasted on the viscous layer; it also includes a signal The collection and emission device and the signal receiving equipment capable of receiving the signal sent by the device, the signal collection and emission device is arranged on the flexible layer of the flexible electrode and connected with the conductive element. 2. The flexible wireless bioelectric electrode system according to claim 1, characterized in that: the conductive member includes a conductive buckle and a conductive post that are matched and connected to each other, the conductive buckle is fastened and connected to the conductive layer, and the The upper end surface of the conductive buckle has a slot, the lower end of the conductive post is plugged into the slot of the conductive buckle, the upper end of the conductive post exposes the surface of the flexible layer, and the lower surface of the signal collecting and transmitting device is provided with A mounting slot into which the upper end of a conductive post is inserted. 3. The flexible wireless bioelectric electrode system according to claim 2, characterized in that: a solar energy collection device is arranged on the flexible layer of the flexible electrode, correspondingly, there is a solar energy collection device in the described signal collection and emission device connected battery. 4. The flexible wireless bioelectric electrode system according to claim 3, characterized in that: the outer surface cover of the solar energy collecting device and the signal collecting and transmitting device is provided with a transparent cover, and a plurality of ventilation holes are arranged at intervals on the transparent cover . 5. The flexible wireless bioelectric electrode system according to any one of claims 1-4, wherein the conductive layer includes a first conductive layer formed by a plurality of conductive yarns arranged in parallel at intervals and the second conductive layer, the first conductive layer and the second conductive layer are pasted on the adhesive layer in dislocation, and the misalignment angle between the first conductive layer and the second conductive layer is A, 0°< A<180°.